ar71xx: add an external reset callback for ar913x and use it in ath9k - should reduce the frequency of DMA stop failures

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36530 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 42 insertions, 6 deletions

diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index 92bf897b2..379e8f47e 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -25,7 +25,43 @@
  	int nstations; /* number of station vifs */
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1698,12 +1698,11 @@ static void ath9k_hw_reset_opmode(struct
+@@ -1366,7 +1366,10 @@ static bool ath9k_hw_set_reset(struct at
+ 
+ 	REGWRITE_BUFFER_FLUSH(ah);
+ 
+-	udelay(50);
++	if (AR_SREV_9100(ah))
++		mdelay(10);
++	else
++		udelay(50);
+ 
+ 	REG_WRITE(ah, AR_RTC_RC, 0);
+ 	if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
+@@ -1377,8 +1380,12 @@ static bool ath9k_hw_set_reset(struct at
+ 	if (!AR_SREV_9100(ah))
+ 		REG_WRITE(ah, AR_RC, 0);
+ 
+-	if (AR_SREV_9100(ah))
++	if (AR_SREV_9100(ah) && type != ATH9K_RESET_WARM) {
++		if (ah->external_reset)
++			ah->external_reset();
++
+ 		udelay(50);
++	}
+ 
+ 	return true;
+ }
+@@ -1464,7 +1471,8 @@ static bool ath9k_hw_chip_reset(struct a
+ 			reset_type = ATH9K_RESET_POWER_ON;
+ 		else
+ 			reset_type = ATH9K_RESET_COLD;
+-	} else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) ||
++	} else if (ah->chip_fullsleep ||
++		   REG_READ(ah, AR_Q_TXE) ||
+ 		   (REG_READ(ah, AR_CR) & AR_CR_RXE))
+ 		reset_type = ATH9K_RESET_COLD;
+ 
+@@ -1698,12 +1706,11 @@ static void ath9k_hw_reset_opmode(struct
  
  	ENABLE_REGWRITE_BUFFER(ah);
  
diff --git a/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch b/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
index 93b7889ee..1044590f7 100644
--- a/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
+++ b/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2001,8 +2001,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -2009,8 +2009,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  		REG_WRITE(ah, AR_OBS, 8);
  
  	if (ah->config.rx_intr_mitigation) {
diff --git a/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch b/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch
index bee651760..d5edeee9f 100644
--- a/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch
+++ b/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch
@@ -10,7 +10,7 @@
  
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2843,7 +2843,7 @@ void ath9k_hw_apply_txpower(struct ath_h
+@@ -2851,7 +2851,7 @@ void ath9k_hw_apply_txpower(struct ath_h
  	channel = chan->chan;
  	chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER);
  	new_pwr = min_t(int, chan_pwr, reg->power_limit);
diff --git a/package/mac80211/patches/553-ath9k_debugfs_diag.patch b/package/mac80211/patches/553-ath9k_debugfs_diag.patch
index efbfadfbd..2db743816 100644
--- a/package/mac80211/patches/553-ath9k_debugfs_diag.patch
+++ b/package/mac80211/patches/553-ath9k_debugfs_diag.patch
@@ -94,7 +94,7 @@
  void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause);
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1845,6 +1845,20 @@ fail:
+@@ -1853,6 +1853,20 @@ fail:
  	return -EINVAL;
  }
  
@@ -115,7 +115,7 @@
  int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
  		   struct ath9k_hw_cal_data *caldata, bool fastcc)
  {
-@@ -2046,6 +2060,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -2054,6 +2068,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  	}
  
  	ath9k_hw_apply_gpio_override(ah);
diff --git a/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch b/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch
index c2fd8733b..3e05291e9 100644
--- a/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch
+++ b/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch
@@ -12,7 +12,7 @@
  
 --- a/drivers/net/wireless/ath/ath9k/hw.c
 +++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2439,17 +2439,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
+@@ -2447,17 +2447,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
  	}
  
  	eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);